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5/23/2018 0197804 58D4B Mangazeev p v Pankov m v Kulagina t e Kamartdinov m r Gidrod
http:///reader/full/0197804-58d4b-mangazeev-p-v-pankov-m-v-kulagina-t-e-kamartdino
1
2003 YUKOS EP, All Rights Reserved
20032003
2003 YUKOS EP, All Rights Reserved
, ...
, .-..
, MSc Petroleum Engineering
5/23/2018 0197804 58D4B Mangazeev p v Pankov m v Kulagina t e Kamartdinov m r Gidrod
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2
2003 YUKOS EP, All Rights Reserved
1. Horne R. N. Modern Well Test Analysis // Petroway, Inc., PaloAlto. 1995.
2. Earlougher R.S. Advances in well test analysis // Monogr. Ser.Soc. Petrol. Eng. Dallas. Vol. 5. 1977.
3. Bourdarot G. Well Testing: Interpretation Methods. 1998.
4. .., .., , , 1992.
5. .. . .: ,1998.
2003 YUKOS EP, All Rights Reserved
6. 39-100-91
, --// , ,, ..,1991.
7. 153-39-007-96. : ..., 1996.
8. 153-39.0-109-01
,// ., 2002.
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2003 YUKOS EP, All Rights Reserved
PANSystemPANSystem
Edinburgh Petroleum Services
http://www.e-petroleumservices.com
SaphirSaphir
Kappa Engineeringhttp://www.kappaeng.com
2003 YUKOS EP, All Rights Reserved
F.A.S.T.F.A.S.T.
Fekete Associates Inc.
http://www.fekete.com
PIEPIE
Well Test Solutions Ltd.
http://welltestsolutions.com
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5/23/2018 0197804 58D4B Mangazeev p v Pankov m v Kulagina t e Kamartdinov m r Gidrod
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5/23/2018 0197804 58D4B Mangazeev p v Pankov m v Kulagina t e Kamartdinov m r Gidrod
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p
pws,
()
pwf
,
pi
pwf(t=0),
pe(re
)
pw
ps
pt=1
,
()
t = 1
0
*
mln
pwf
ln t/.
mlog
pwf
log t/.
c c -1
cw
-1
co
-1
cg -1
cf -1
P
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ct -1
2/
D,
(3/)
-1
e .
,
.
ml
[,
].
CA Dietz .
tpDA
,
A , r2
.
D MBHMBH
.
S - .
Sa-,
.
Sd-
.
Sp-
.
Str - .
Sswp-,
.
D .
tD .
CD .
rD .
/3
L
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r
rw
re
h
rinv
rs
hp
hs
rw,eff
xf
h d
l
b /A
2
g 2/
Q 3
V, Vw 3
Cs
()
3
/
Vu,
3/
B 3/
3
Bw 3/
3
B 3/
3
q 3/
qs 3/
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q
3/
m
f
k
ks
km(
)
kf(
)
*/
T
tp
t,
tpe
Dte
tp
ti
tr,
tx
[,
]
So
Sw
Sg
Sn(t)
tps
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Z
S-,
[t]M, [DP]M
[tD/CD]M,
[PD]M
P
-
(storativity ratio)
(transmissivity ratio)
,
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1. 1.1.
1.2.
1.3. 1.4. 1.5. 1.6. 1.7. 1.8. 1.9.
2. -2.1. 2.2. , 2.3. 2.4. -
3.
3.1. 3.2. Cs 3.3. Cs , 3.4. 3.5. 3.6.
4. 4.1. 4.2. 4.3. 4.4. Gringarten4.5. 4.6. 4.7.
5. 5.1. 5.2. 5.3. 5.4. 5.5. c 5.6.
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6.
6.1.
6.2. :
6.3. : MDH
6.4. 6.5.
7. 7.1. 7.2. 7.3. 7.4. 7.5. 7.6. 7.7.
8. 8.1. 8.2. 8.3.
9.
9.1. 9.2. 9.3.
10.10.1. 10.2. 10.3. 10.4. 10.5.
10.6. :
11.11.1. 11.2. 11.3. 11.4.
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12.12.1. 12.2. : 12.3. : 12.4. : -12.5. 12.6.
13.13.1. 13.2. 13.3. 13.4. 13.5. 13.6. 13.7. 13.8.
14.14.1. 14.2. 14.3. 14.4. 14.5. 14.6.
14.7.
14.8.
15.15.1. 15.2. RFT15.3. RFT15.4. 15.5.
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:
- ,
- ,
.
-
.
-
.
:
:
-
.
- ,
.- .
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1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
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.
.
1.1 ,
, .. (, , ),, .
:
, , .. .
:
, ;
,;
,( , ..).
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1.1
1.1
. , () (), ().
.
, ., (), ,.
, , . . , .
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1.2
pwf
, t
q
0
0
, t
pws = pi
0
1.2
() t = 0() q.
: q = const; t = 0 , ..pi.
: , ,
; ,
.
, /. , , , , ,. , .
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1.2
tp t
t
tp
pws
pwf(t=0)
1.2
() ,tpq,.
: q=const; tp
, .
: ;
, .
-.
() (q=0).
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1.2
, t
q0
, t
q
, t
0
0
, t
-q
1.2
t = 0, .
.
, .
-:
, ;
.
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1.2
1.2 :
; .
. /.
. () (,).
: (
);
; .
. .
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1.2
1.2 ,
(, ) . , , .
() : ; ; ; PVT ; ; (-).
, .. .
, . , ,
, .. . .
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1.2
RFT
MDT
1.2
, . (RFT - RepeatFormation Tester MDT Modular Dynamic Tester) . , , ,
. .
RFT MDT: ; ; .
, .
-: -; .
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1.3
dx
dpk
A
Bqs
=
310644.8
A
q
x
dx
dpku
A
q==
,
1.3
:
= p gD ;D -; -.
. ()
:
q 3/ 3/ A c 2 2 u / / /2 p x k . 2 mD
k, : -( 100 %) ;
; .
dx
dk
dx
dDg
dx
dpku
A
q
=
==
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1.3 1
,
, k:
a) t = 20C ( = 1 ) = 0.68. Q = 2.88 x 10-3 3/,
b) = 1.1 , ) Q = 10.468 x 10-3 3/.
: L= 0.05 , A = 5 10-4 2. b.
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1.3
dr
dpk
rh
qur
==
2
rwre
r
ur
q
pe
h
w
ewe
r
r
kh
qpp ln41.18=
ur
pe
rwr
re
1.3
.
,hk, . (re) pe, pw. (), , (). (). hq (),
,.
q, pe-pw :
., q - .
w
ewe
r
r
kh
qpp ln41.18
=
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1.3 2
10 100 -
, ,
k = 0,5 , h = l0 ,
w = 80 a, rw = 12.4
, o = 4 , q = 229.885 3/.
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1.4
constTp
V
Vc
=
=1
1=++
+++=
gwo
fggwwoot
SSS
ccScScSc
V [3] ; [/3] ;cw [
-1] ; B ;
co [-1] ; S ;
cg [-1] ; Sw ;
cf [-1] ; Sg .
T
o
oT
o
oT
o
o
op
B
Bpp
V
Vc
=
=
=
111
1.4 c
. (1/)
co, .. . .
cf, .. .
ct, , , ().
, =136 .: o = 2.2 x 10-4 1/ cw = 4.4 10
-5 1/
cg = 7.3 10-3
1/ 1/ ,
. , t cg
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1.5
p ;
r ;t ;
= k / ct ;
k ;
;
;
ct
t
p
k
c
r
p
rr
p t
=
+ 1
2
2
dr
dpkur =
( )
tr
ur
r
r
=
1
p
co
=
1
1.5
, , , .
: (); ; .
, : ; , (kx = ky = kz); ; q k (); ; -; ;
.
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1.5
1
2
3
0.4 1.0 1.6
Ei(x)
-Ei(-x)
0
x
( ) duuexEi
x
u =
1.5
,. , , ,
,
.
:
pi; (); rw
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1.6
t
invc
ktr
037.0=
1.6
,. , -rinv, , .
rinv, ,.
, (): Jones: rinv,
1% .
Poettmann: rinv, 1% .
J.LeeMuskat: rinv, .
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1.6 -
rinv :
a) k= 100 = 0.25 ct = 1.47 10
-4 -1
= 0.8 t = 1
b)
k= 0.010 = 0.05 ct = 2.939 10-3 -1
= 0.05 t = 168
103 104 t=105
t
invc
ktr
037.0=
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1.7
1.7
. r.
, , rw., ,, .
rw. , .
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1.7
,
,
1.7
.
,:
;
.
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1.7
1.7
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1.7
1.7
, , .
:
-, ;
-,.
, -.
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1.8
,
t
rw r re
p
1.8
., .. , .
/, .., /.
.. .
,.
constPt
Pe==
0
( ) ( )trfptrft
P,, ==
errrPconst
tP ===
,0
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1.8
MTR LTR
pi
pwf
0
1.8
:
. , ()
MTR c ()
LTR ()
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1.9
. 1q1
. 2
q2
r1
r2
. 3
2,31,33ppp +=
1.9
, , ,, ., .
.
(), , .: ; ; .
:
() (), .. -
a x, b y, a + b x + y
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1.9
q
0
q
0
0
-q
+
=
t
t
tp
tp
pw
+
=
pw
pw
pi
pi
pi
p(t)
p(t)
tp
t
tp
1.9
, .
: tq, .
,: t = 0q1 = q, tp c q2 = -q ()
, q1q2
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1.9
q q
q -q
1.9 ,
, . . , .
,:
, , , ,
, ,
, , , ,,
. , ,
,
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1
1. ?
2.
?
3. ?
4. ,
?
1
5. cg?
6. ?
7. :
a. , ;
b. RFT/MDT;
c. ;
d. .
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--
2.1 -
2.2
2.3 2.4 -
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2.1 -
S < 0
S ~ -3
S ~ -4
S ~ -5.5
S > 0
S ~ 1-2
S ~ 5
S > 10
ps
pw
pwf
"
t
rw
ps
pwf
pwks > k
t
(
)
()
kh
q
pS s
41.18
=
2.1 -
: . , . : :
;
; , , CaCO3 BaSO4; ; ; (
). :
-;
; .
, , : -; .
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2.1 -
- - Van Everdingen Hurst
-
pw
pwf
k
ps
ps -()
S -
kh
q
pS s
41.18
=
pwf = pw + ps
2.1 -
, . , (-) , .
- : p
wf
= pw
+ ps
, - ps qsB, - (rs, ks). pw (k = const) .
, -, - (Van Everdingen Hurst) :
- , - ( ) , .
, -1.
kh
q
pS s
41.18
=
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48
2.1 -
-
ks
rs
pwf
ps
kspe
rsrw
ps
(
k)
ks
pw
pwf
s
s w
rk
S 1 lnk r
=
2.1 -
-., - rs ks; : k h. --rs
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49
2.2
, ..
2.2
, . , -, , .
, ,
, -. kr, kz.
BronsMarting, -.
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50
2.2
h =
hp =
hs =
h h hhs
hshs
h
hp
hp
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
30
25
20
15
10
5
S
b
hD= 10000
20
100
5
1000
b =
Brons
Marting
-
z
r
w
sD
k
k
r
hh =
2.2
: b
hp/h hs/rw
bhs/rw, , , .
BronsMarting, .. kz=kr. kz < kr.
BilhartzRamey, , ,BronsMarting, hs/rw:
-, BronsMarting, .
z
r
w
sD
k
k
r
hh =
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51
2.2
(S=0)
rD
Sp
SdSa
pD
-
-
ptr
pda Sb
SSSS +=+=
2.2
,,
;
- (, , )
:Sa = Sd + SpJones Watts
Sp =-,Sd =-(
). -
, - : Sd = Str/ b, Str= -;
b = .
-:Sa = Str/ b + Sp
, - Str, , () ( ).
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52
2.2
-
30.48 (h = 91.44).
- Sa = 20.
, 30.48 , .
:
kr = 180 rw= 0.0762 o = 1.0
kz = 5 re = 304.8 Bo = 1.2
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53
2.3
h
0
-2
-4
-6
102 103 104
Sswp
hrw
30o
45o
60o
= 75o
15
Cinco &
Miller
2.3
, .
() Cinco, Miller Ramey. - Sswp.
Sswp h / rw. :
- , ..
.
. , - Sp Sswp-.
2.06 1.865
swp
w
w
hS log
41 56 100r
h 0 75 40
r
=
< < >
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2.4
-
r r ew eff wS
=
pwf
pe
ps
rerwreff
h
re
xf
xf
xf < < re
xf =
2.4 -
. , ..
re >> xf, -Spr.
rw eff. rw eff, ,
, () .- :
(Prats) , - :
s
weffw err =
f
w
effw
wpr
f
effw
x
r
r
rS
xr
2lnln
2
,
,
==
=
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2.4
-
-
10600
10500
10400
10300
11100
11000
10900
10800
10700
10200
10600
10100
1050010000
10400
10300
9900
9800
9700
960010100
10200
100009500
10600
10500
10400
10200
10000
9900
9800
9700
9600
9500
10100
10300
10200
10300
10400
10500
10600
10700
10800
10900
11000
11100
11200
11300
10600
10500
10400
10300
10200
11200
11300
11400
11500
11100
10100
10000
9900
9800
9700
9600
11000
10900
10800
10700
10600
10500
10400
10300
9500
10600
10500
10400
10200
10000
9900
9800
9700
9600
9500
10100
10300
10100
10200
10300
10400
10500
10600
10700
10800
10900
11000
11100
11200
11300
Core DST
2.4 -
- : ,
: S > 0;
(): S < 0.
-, .. , , .
: . -,, .
-(,..) (k/). ,-, ,.
, .
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2
1. ?
2. - ?
3. kz?
4. , , -?
5. 6 , -?
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3.1
3.2 Cs
3.3 Cs,
3.4
3.5
3.6
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3.1
3.1
-,
()
. :
/
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3.1
q
t
0
s
VC
P
=
3.1
, ,
Cs, : Cs=-V / P
Cs
[3/]
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60
3.2 Cs
wV cV P =
sVCP
=
Vw [3]
c [-1]
s w
t = 0() q
0 q.
, Pi
,
:
Vw[3]; [-1]
: 0,010,1 3/
wV cV P =
s wC c V=
3.2 Cs
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61
3.3 Cs,
uV V h =
s
VC
P
=
us
Vu ,
[2]
h []
1P 101325 g h =
, , :
Vu, [2]
h []
h:
- , [/3]
: 0,1 1 3/
:,
uV V h =
1P 101325 g h
=
uVC 101325g
=
3.3 Cs,
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3.4
P , []
q , [3
/]B
t , []
Cs
, [3/]
s
qBtP 24 C =
, ~ 0
:
P , []; q ,[3/]; B ; t , []; Cs, [3/]
s
qBtP
24 C
=
3.4
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63
, Cs,
s
qBtP
24 C =
t
P
0
n
s
3.4
, ,(~ 0), :
n :
-: /
s
qBt
P 24 C =
s
qBC
24 n=
3.4
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3.5
sf
24C dPq q
B dt= +
qf , [3/]
,
:
qf , [3/]; q
, [3/]; B ; t ,[] ; P , []; Cs, [3/]
sf
24C dPq q
B dt= +
3.5
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(Ramey):
(Chen) (Brigham):
t - []; Cs -
[3/] ; k -
[] ; h - [] ; -
[]
3.6
( ) s26531 1547 S Ct
kh
+ =
s22109 C exp(0.14 S)tkh
=
:
(Ramey):
(Chen and Brigham)
k , []; h , []; , []; s -
( ) s26531 1547 S Ctkh
+ =
s22109 C exp(0.14 S)tkh
=
3.6
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:
10
1
0.1
p
0.01 0.1 1 10t
100
1,5 log-
3.6
:
,
, ()1,5
3.6
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1 .
:
240
245
250
255
260
265
270
-15 0 15 30 45 60 75,
,
-20
0
20
40
60
80
100
120
,
3/
1
3
/110q
3/31B
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3
1.
2. ,
3. ( , )
4. : ; ;
5. ,
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4.1
4.2
4.3
4.4 Gringarten
4.5
4.6
4.7
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4.1
70-
P(t) -
Agarwal
McKinley
EarlougherKerschGringarten
70-
, . :
Agarwal
McKinley
EarlougherKersch
Gringarten
--. .
Gringarten.
4.1
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4.2
D 2
t w
0.00036kt t
c r=
D
khP P
18.41qB=
D s2
t w
0.159C Ch c r
=
S
:
-
k []; h []; q , [3/]; B ; []; t , [];P , []; ; ct[1/]; rw []; Cs ,
[3
/] -
, ,
D 2
t w
0.00036kt t
c r=
D
khP P
18.41qB=
D s2
t w
0.159C Ch c r=
S
4.2
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DD
D
tP
C=
D D
1P ln t 0.81 2S
2= + +
4.3
:
:
:
.. ,
DD
D
tP
C=
( )D D1P ln t 0.81 2S2= + +
4.3
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PD
tD/CD
CDexp(2S)
4.4 Gringarten
, : , -:
Gringarten PD:
, GringartenPD tD/CD ;CDexp(2S)
: , CDexp(2S)>1,
CDexp(2S)
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D
D S
t 0.00226kh
tC C=
D
khP P
18.41qB=
D
khlog P log P log
18.4qB
= +
D
D S
t 0.00226khlog log t log
C C
= +
4.4 Gringarten
:
, ,
.
( )Dkh
log P log P log18.41qB
= +
D
khP P
18.41qB
=
D
D S
t 0.00226kht
C C=
D
D S
t 0.00226khlog log t log
C C
= +
4.4 Gringarten
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4.5
10
1
0.1
P
0.01 0.1 1 10t
100
:
P(t) . !
4.5
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100
PD
0.1 104
0.01 0.1 1 10t
P
10
1
100
1 100 10000.1
tD/CD
M
4.5
, , . !
CDexp(2S) ( )
: ([t]M, [P]M) ([tD /CD] M, [PD ]M)
4.5
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MS
D D M
t0.00226khC
t C
=
D M
M
P
kh 18.41qB P=
D
D
C exp 2S1S ln
2 C
=
4.5
, kh:
, CS:
CDexp(2S)-:
[ ]
[ ]M
S
D D M
t0.00226khC
t C
=
[ ]
[ ]D M
M
Pkh 18.41qB
P=
( )D
D
C exp 2S1S ln
2 C
=
D s2
t w
0.159C C
h c r=
4.5
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4.6
PP
t, t
i wfP P P = ( ) ws wsP P P t 0 = =
t
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10
1
0.1
P
0.01 0.1 1 10te
100
e
p
tt
t1
t
=
+
4.6
, te,
. : P(te)
, , , , tp
e
p
tt
t1
t
=
+
4.6
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4.7
-
:
-(-)
,
():
.
4.7
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1 .
: . , -
240
245
250
255
260
265
270
-15 0 15 30 45 60 75,
,
-20
0
20
40
60
80
100
120
,
3/
1
245.4p(t = 0)
3
/110q
48tp
1/2.20E-04ct
1
3/31B 0.08rw
80h
0.2
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1.
2. ?
3. (, , ) ?
4. ?
5. ?
6. C
Dexp(2S)?
7. . ?
8.
4
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5.1
5.2
5.3
5.4 5.5 c
5.6
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5.1
( )P
Pln t
=
ln t
lnP
ln t
P
,. ,
80- .
1983 (Bourdet):
, P , P(t) (. )
. ..
( )P
Pln t
=
5.1
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tD/CD
0.1 1 10 100 1000
PDPD
1
10
0.1
1
1010010001e4
1e61e81e10
1e15
1e20
1e30
1e401e50
0.1
1
CDexp(2S)
0.5
5.2
:
:
, ,0,5
DD
D
D
PP 0.5
tln
C
= =
( )D D1
P ln t 0.81 2S2
= + +
( )DD DD
t1P ln 0.81 ln C exp 2S
2 C
= + +
5.2
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tD/CD
0.1 1 10 100 1000
PDPD
1
10
0.1
1
1010010001e4
1e61e81e10
1e15
1e20
1e30
1e401e50
0.1
1
CDexp(2S)
= 1
5.2
:
:
( )P PP t
ln t t = =
DD
D
tP
C=
DD
D
tP
C=
5.2
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D
D
D
PP a
tln
C
= =
DD
D
tP a ln b
C
= +
, .. :
5.2
, , :
(, .. ):
:
,
D
D
D
PP a
tln
C
= =
DD
D
tP a ln b
C
= +
5.2
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n
DD
D
tP a n
C
=
n
DD
D
tP a b
C
= +
( )DDD
tlog P n log log a n
C
= +
, , , ,
:
5.2
(, , ,, ):
:
, n
n 1 n
D D D DD
D D D DD
D
t t t tPP a n a n
C C C Ct
C
= = =
n
DD
D
tP a b
C
= +
( )DDD
tlog P n log log a n
C
= +
5.2
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89
!
5.2
, , , ()
5.2
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90
5.3
( )( )
( )i iP
P t tln t
=
( ) i i 1ii i 1
P PP t
ln t ln t
( ) i 1 i 1ii 1 i 1
P PP t
ln t ln t
+
+
( ) i 1 iii 1 i
P PP t
ln t ln t
+
+
:
Pi ti
:
5.3
( )( )
( )i iP
P t tln t
=
( ) i i 1ii i 1
P PP t
ln t ln t
( ) i 1 iii 1 i
P PP t
ln t ln t
+
+
( ) i 1 i 1ii 1 i 1
P PP t
ln t ln t
+
+
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91
5.3
( ) i i 1ii i 1
P PP t
ln t ln t
( ) i 1 i 1ii 1 i 1
P PP t
ln t ln t
+
+
( ) i 1 iii 1 i
P PP t
ln t ln t
+
+
ln t
P
, ln tiPiti:
5.3
-9.25278.490.74
1.38-9.2512.00278.860.70
7.5012.003.00278.380.66
-0.633.00-4.25278.260.62
0.87-4.256.00278.430.58
4.256.002.50278.190.54
5.002.507.50278.090.50
6.257.505.00277.790.46
3.885.002.75277.590.42
5.002.757.25277.480.38
13.887.2520.50277.190.34
8.3820.50-3.75276.370.30
12.25-3.7528.25276.520.26
23.1228.2518.00275.390.22
33.0018.0048.00274.670.18
48.00272.750.14
Piln ti
, ,
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92
5.3
l1 l2
m1
m2
1 2 2 1i
1 2
m l m lm
l l
+=
+
, ti, [ln ti -; ln ti + ]
:
, [ln ti -; ln ti + ], . ti
(ln ti) (ln ti) , m1. (ln ti) (ln ti +) , m2. ti m1 m2. ,
, ti
, [ln ti -; ln ti + ]. m1 m2( . ):
5.3
1 2 2 1i
1 2
m l m lm
l l
+=
+
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93
5.3
2< 0.35
0.01 0.1 1 10
b
2
2
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94
5.4
:
,
5.4
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95
10
0.01 0.1 1 10 100
PP
t
100
5.5 c
, 4:
.
!
5.5 c
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96
0.10.1
1
10
100
1 10 100 103
104
PDPD
tD/CD
0.5
PP
t
100
10
0.01 0.1 1 10 1001
5.5 c
. :
~ : ,
~ : , 1, , 1
CDexp(2S)
( ) : ([t]M, [P]M) ([tD /CD] M, [PD ]M)
, 4
5.5 c
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97
5.6
t
P
t
P
, :
, 0,5.
:
- :
, t
kh0.5 P18.41qB
=
s
qBP t
24C =
2
t w
0.00036kt9.205qBP ln 0.81 2Skh c r
= + +
5.6
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98
s
tqBC
24 P=
0.5kh 18.41qBP=
2
t w
P 0.00036kt1S ln 0.81
2 P c r
=
5.6
, :
0.5kh 18.41qB
P=
s
tqBC
24 P=
2
t w
P 0.00036kt1S ln 0.81
2 P c r
=
5.6
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99
1 ( ) .
: . , -
240
245
250
255
260
265
270
-15 0 15 30 45 60 75
,
,
-20
0
20
40
60
80
100
120
,
3/
1
245.4p(t = 0)
3/110q
48tp
1/2.20E-04ct
1
3/31B
0.08rw
80h
0.2
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100
1. , , ?
2. ?
3. ?
4. ?
5
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101
--
6.1
6.2
:
6.3: MDH
6.4
6.5
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102
6
ln r
tp(r,t)
pi
q
Pwf
Pi
(
)
,
()
()
6
,. , , . ,
, . ,
, .
-.
: (, ), ,-, ():
=
D
DD
t
rEip
42
1 2
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103
6.1
104 105 106 107 108 10910
1
10-1
10-2
10-1 1 10 102 103 104
pD
tD / rD2
(S=0)
6.1
Ei(x), . , , x < 0.01, :
= 1.781.
.. :
(rD = r / rw = 1).
:
rD = 1,-:
+
=
= 80907.0ln
2
1
4ln
2
12
2
D
D
D
DD
r
t
t
rp
( )
+
= 80907.0
00036.0ln205.9,
2rc
kt
kh
Bqptrp
t
si
25
2>
rc
kt
t
( ) ( ) ( )xxEixEi == ln
01.04
2
wtrc
kt
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104
6.1
0
pt= 1
ln t
: ln t = 0 t = 1
,
pwf
kh
Bqm s205.9
ln
=
6.1
, , :
, rD = 1:
:
pi[];t [].
pwfln t () :
( = arctg mln );
,
() t = 1,.. ln t = 0.
[ ]Stp DwfD 280907.0ln2
1++=
( )
++= S
rc
kt
kh
Bqptp
wt
siwf 212034.7lnln205.9 2
kh
Bqm s205.9ln =
1ln ln =+= twf ptmp
+== S
rc
kmpp
wt
it 212034.7ln 2ln1
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105
6.1
( )
++= S
rc
kt
kh
Bqptp
wt
siwf 212034.7lnln205.9 2
hm
Bqk s
ln
205.9=
+
= = 12034.7ln
2
12
ln
1
wt
ti
rc
k
m
ppS
( )
++= S
rckt
khBqptp
wt
siwf 86859.009232.3loglog195.21 2
+
= = 09232.3log1513.1
2
log
1
wt
ti
rc
k
m
ppS
hm
Bqk s
log
195.21=
1log1ln logln == +=+= twftwf ptmpptmp
pwf
ln t
pwf
log t
6.1
ln t.
pwfln t;
., , .
log t.
, pwflog t, , .
: , . , pt=1.
( )
++= S
rc
kt
kh
Bqptp
wt
siwf 212034.7lnln205.9 2
( )
++= S
rc
kt
kh
Bqptp
wt
siwf 86859.009232.3loglog195.21 2
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106
1
245
247
249
251
253
255
257
259
261
263
265
0 20 40 60 80 100 120
t,
,
0
20
40
60
80
100
120
q,
3/
q
1
. , .
:
= 0.2;
h = 80 ; rw = 0.08 ;
Bo = 1;
= 1 ;
t = 2.2 x 10-4 1/;
q = 110 3/;
pi = 265.
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107
6.2
:
pwf pws
pwfextp
pBU
t
pi
pwf(t=0)
pw
( )
+=+=
t
tt
kh
Bqtpttpp
psDDpDDBU ln205.9
6.2 tp q,
t, , , .. :
q (tp + t) (0-q) t
:
: ; , tp,
.
, :
, pwsln [(tp + t)/t]
p* = pi.
( ) ( ) ( ){ }DwDDpDwDsiws tpttpkhBq
ptp += 41.18
( )
+=
t
tt
kh
Bqptp
psiws ln205.9
kh
Bqm s
205.9ln =
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108
6.2
pws
lntp + t
t
p*
ln 1
,
kh
Bqm s205.9ln=
pws(t=1)
ln (tp + 1)
6.2 kh m
( )
pws ln((tp + t) / t)
pws log((tp + t) / t)
- , :
1 t = 1:
pwf(tp) = pws(t = 0):
- pws ln((tp + t) / t)pws log((tp + t) / t) :
( ) ( )
+
++
== 09232.3log
1log
11513.1
2
log wtp
ppwfws
rc
k
t
t
m
tptpS
( ) ( )1ln205.91 +== pwsi tkh
qBtpp
log
ln
195.21
205.9
m
Bqkh
m
Bqkh
s
s
=
=
( )
++= S
rc
kt
kh
qBtpp
wt
ppwfi 212034.7lnln205.9 2
( ) ( )
+
++
== 12034.7ln
1ln
1
21 2
ln wtp
ppwfws
rck
t
t
m
tptpS
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109
6.2
pws
=
lntp + t
t
pws
lin
0
p*
p
khBqs205.9
6.2
(tp + t) / t = 1, t. p* = pi , . , , .
.
, tp, p
* . p* , MBH (Matthews-Brons-Hazerbroek).
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110
2
245
247
249
251
253
255
257
259
261
263
265
0 10 20 30 40 50 60 70 80
t,
pws,
tp = 48
q = 110 3/
p(t=0) = 245.4
2
1., qtp, 72 pws. , .
:
= 0.2;
h = 80 ;
rw = 0.08 ;
Bo = 1;
= 1 ;
t = 2.2 x 10-4 1/;
tp = 48 ; q = 110 3/;
p(t=0) = 245.4 .
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111
6.3
:
MDH
pw
pwf(tp)
0
pwf
pDDpMDH
t
t
pws
p
tp
pi
6.3 MDH
ln[(tp + t) / t].
, , tp >> t:
.. lnt. , .
p pMDH tp >> t, .:
;
.
( ) ( )pswsi ttkh
Bqtpp lnln205.9 =
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112
6.3 MDH
( )
+
== 12034.7ln12
1 2ln wt
pwfws
rck
mtptpS
ln
205.9
m
Bqkh s=
( )
+
== 09232.3log
11513.1
2
log wt
pwfws
rc
k
m
tptpS
log
195.21m
Bqkh s=
0
2
4
6
8
10
12
14
16
18
20
-3 -2 -1 0 1 2
6.3 MDH
MDHpMDHlnt (pMDHlog t )mln (mlog).
,:
p*; tp >> t
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113
6.4
t
q
peq
Qt
q
q
tp
6.4
. , tpq().
tpe:
Q .
tpe, , ., , (, ), , .
,
, ().
pe q
Q
t 24
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114
331
332
333334
335
336
337
338
339
340
341
0 100 200 300 400 500
0
5
10
15
20
25
30
35
t,
p,
q,3/
,
.
, .
:
= 0.36;
h = 5.3 ;
rw = 0.08 ;
Bo = 1.2;
=0.5;
t = 1.2 x 10-4 1/.
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115
0
5
10
15
20
25
30
35
0 100 200 300 400 500
,3/
t,
tpe =350
q1
q2
q3
q4
q5
:
t = 0..100 , q1 = 31.8 3/
t = 100..200 , q2 = 0 3/
t = 200..300 , q3 = 7.95 3/
t = 300..400 , q4 = 15.9 3/
t = 400..500 , q5 = 0 3/
q4 = 15.9
3/. ,:
tpe:
[ ] [ ][ ]
[ ] [ ][ ]
[ ] [ ][ ]
[ ]3333 9.23124
1009.15
24
10095.7
24
1008.31
Q =++=
[ ][ ]
q
Qt
pe 350/9.15
9.2312424
3
3
==
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116
y = -0.4034x + 340.26
336.0
336.5
337.0
337.5
338.0
338.5
339.0
339.5
340.0
0123456
log [(tpe + t)/ t]
pws
pws(t=1)
,:
mlog = 0.4034/.
, () t = 1,.. log (tp + 1) = 2.55, pws(t=1) = 339.2 .
, mlogpws(t=1).
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117
hm
Bqk s 94195.21
log
==
( )6.209232.3log
1log
11513.1
2
log
=
+
++
==
wtp
ppwfws
rc
k
t
t
m
tptpS
336.0
336.5
337.0
337.5
338.0
338.5
339.0
339.5
340.0
0123456
m :
pws(t=1) -:
, .. , .
[ ][ ] [ ]
hm
Bqk 94
3.5.4034.0
5.02.19.15195.21195.21
3
log
4 =
==
( ) ( )
[ ] [ ][ ]
[ ][ ]
[ ][ ] [ ] [ ]
6.209232.308.01102.15.036.0
94log
350
1350log
./4034.0
3362.3391513.1
09232.3log1
log1
1513.1
224
2
log
=
+
+
+
=
=
+
++
==
rc
k
t
t
m
tptpS
wtp
ppwfws
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118
6.5
6.5
, :
, , tN, :
, ,
(tp + t) / t
( ) ( ) ( )11
141.18 =
= iNDN
i
iiwfi ttpqqkh
Btpp
( ) ( )
( )
( )
+
+
=
=
Src
tkqq
ttt
ttqq
kh
Btptp
wt
NN
iN
iNN
i
ii
Nwfws
212034.7ln
ln
205.9
21
1
1
1
( ) ( ) ( ) tqqttt
ttqqtSn NN
iN
iNN
i
ii +
=
= lnln 1
1
1
1
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119
6.5
p
*
p
Sn(t)Sn(t=1)
p1
khBm 205.9ln =,
6.5
pws(t) Sn(t), m, , . m , .. , , .
m kh:
- S p1.
ln
205.9m
Bkh=
( )
( )
+
=
12034.7ln2
12
ln1
1
wtNN
Nwf
rc
k
mqq
tppS
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120
()
,3/
t,
0
5
10
15
20
25
30
35
0 100 200 300 400 500
q1
q2
q3 q4
q5
t1 t2 t3 t4 t5
t
( ) ( ) ( ) ( )tqqttt
ttqqtSn
i
i
i
ii +
=
= lnln 45
5
54
1
1
()
.
qiti, .
t = 1, pws(t=1).
( ) ( )
( ) ( ) ( ) tqqttt
ttqq
ttt
ttqq
ttt
ttqq
ttt
ttqtSn
+
+
+
+
++
+
+
=
lnlnln
lnln
45
45
4534
35
3523
25
2512
15
151
( ) ( )
( ) ( ) 1ln1ln
1ln
1ln1
45
4534
35
3523
25
2512
15
151
+
++
+
++
+
+
==
tt
ttqqtt
ttqq
tt
ttqq
tt
ttqtSn
5/23/2018 0197804 58D4B Mangazeev p v Pankov m v Kulagina t e Kamartdinov m r Gidrod
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121
()
y = 0.0114x + 339.23
336.0
336.5
337.0
337.5
338.0
338.5
339.0
339.5
340.0
-110 -60 -10 40Sn(t)
pws
pws(t=1)
Sn(t=1)
pws(t) Sn(t)
()
pws(t) Sn(t) , , . ,:
mln = 0.0114/3//.
, ()
t = 1,.. Sn(t = 1 ) = -0.09, pws(t=1) = 339.23 . ,
mlnpws(t=1).
5/23/2018 0197804 58D4B Mangazeev p v Pankov m v Kulagina t e Kamartdinov m r Gidrod
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122
()
336.0
336.5
337.0
337.5
338.0
338.5
339.0
339.5
340.0
-110 -60 -10 40
hm
Bk 5.90205.9
ln
==
( )
( )2.212034.7ln
2
12
ln1
1 =
+
=
wtNN
Nwf
rc
k
mqq
tppS
()
mpws(t)Sn(t) :
pws(t=1) -:
, , , .
[ ] [ ]
hm
Bk 5.90
3.5.0114.0
5.02.1205.9205.9
3
ln
=
==
( ) ( )
( )
[ ] [ ]( )[ ] [ ]
[ ][ ] [ ] [ ]
2.212034.708.01102.15.036.0
5.90ln
./0114.009.15
3362.339
2
1
12034.7ln1
2
1
224
33
2
ln54
5
=
+
=
=
+
==
rc
k
mqq
tptpS
wt
wfws
5/23/2018 0197804 58D4B Mangazeev p v Pankov m v Kulagina t e Kamartdinov m r Gidrod
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123
6
1. /:
a) ;
b) ;c) .
2. , :
a) ;
b) p1hr;
c) ;
d) .
6
3. - , :
a) ;
b) p1hr;
c) ;
d) .
4. MDH ?
5. ?
6. ?
5/23/2018 0197804 58D4B Mangazeev p v Pankov m v Kulagina t e Kamartdinov m r Gidrod
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125
7.1
7.2
7.3
7.47.5
7.6
7.7
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7.1
, , . -,
,
:
, ,
7.1
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7.2
. :
7.2
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128
( ) ( )D D D D D D DP P t , r 1, S P t , 2r , 0= = +
d d d
7.2
, d, :
,
, , 2d
D
w
dr
r=
( ) ( )D D D D D D DP P t , r 1, S P t , 2r , 0= = +
7.2
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129
D D
1P ln t 0.81 2S
2= + +
( )2
D
D D i
D
2r1P ln t 0.81 2S E2 4t
= + +
( )D D DP ln t 0.81 S ln 2r = + +
P
ln t
m
2m
7.2
, :
, , Ei-. ,(m):
, ,. ,
(t), Ei-:
, :
,
( )2
D D2r 4t
( )2
D D i D D
1P ln t 0.81 2S E 2r 4t
2 = + +
[ ]D DP 0.5 ln t 0.81 2S= + +
( )2
D D2r 4t 0.01>l, .:
, :
7.4
( )
( ) ( ) ( )( )
D D D
D D
4 t 2 r ln 1 exp 2 r
1ln 1 exp 2 r cos 2 e exp 1 exp 4 r
2
= + +
+ +
l l l
l l
D D4 t 2 r = l l
x
t
kta 0.01
c=
5/23/2018 0197804 58D4B Mangazeev p v Pankov m v Kulagina t e Kamartdinov m r Gidrod
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0,1
1
10
100
0,001 0,01 0,1 1 10 100 1000 10000
log P
log P
log t0,1
1
10
100
0,001 0,01 0,1 1 10 100 1000 10000
log P
log P
log t
7.4
. (P t1/2) 2
,
, ( > ).
7.4
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7.5
,
:
7.5
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141
ln t
P m
2m /
2m
1
2
m2
m = -
7.5
, , , , m1=m,. , m2=2m/, ,
, 2m,
:
,
1
2
m2
m =
7.5
5/23/2018 0197804 58D4B Mangazeev p v Pankov m v Kulagina t e Kamartdinov m r Gidrod
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log t
log P
log P
mln
2mln
2mln/
7.5
-,
, 2mln/
, 2mln/, 2mln
7.5
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143
log t
logP
log P
1
90
45
1
7.5
, . ,
mln2mln/ - , 0,5
7.5
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7.6
d
, :
,
7.6
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7.6
d 2dq q -q
d 2dq q -q
d 2dq q -q
d 2dq q -q
d 2dq q -q
d 2dq q -q
d 2dq q -q
d 2dq q -q
( ) ( )D D D D D D DP P t , r 1, S P t , 2r , 0= =
2d
, :
,
7.6
( ) ( )D D D D D D DP P t , r 1, S P t , 2r , 0= =
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146
D1P ln t 0.81 2S2
= + +
( )2DD i
D
2r1P ln t 0.81 2S E
2 4t
= + + +
( )D DP S ln 2r = +
7.6
, (, ):
, , :
()
:
:
:
( )2
D D2r 4t
[ ]DP 0.5 ln t 0.81 2S= + +
( )2
D D2r 4t 0.01CA2. , tptSSS
3. P*
4. tpDA, tptSSS:
5. PMBH
6. :
p /SSS
pDA
t
0.00036ktt
c A=
log* *
ln DMBH DMBH
mP P m P P P
2.303= =
7.7
( ) tSSS DA SSSc A
t t0.00036k
=
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161
*
ln A pDAP P m ln C t=
tpDA
PD
MBH=(P*-P)/mln
DMBH A pDAP ln C t=pDA D SSSt t>
, MBH
7.7
, , PD MBHlog tpDA
:
, , :
( )DMBH A pDAP ln C t=
( )* ln A pDAP P m ln C t=
7.7
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162
1 .
:
263.4
263.6
263.8
264
264.2
264.4
264.6
264.8
265
0 20 40 60 80 100 120 140 160 180 200
,
,
0
50
100
150
,
3/
3/110q
265Pi
1/2.20E-04ct
1
3/31B
0.08rw
80h
0.2
1
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2 .
:
263
263.2
263.4
263.6
263.8
264
264.2
264.4
264.6
264.8
265
0 50 100 150 200 250 300 350 400 450 500
,
,
0
50
100
150
,
3/
265Pi
3/110q
1/2.20E-04ct
1
3/31B
0.08rw
80h
0.2
k - S 1
2
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3 .
:
262
262.5
263
263.5
264
264.5
265
0 20 40 60 80 100 120 140 160 180 200,
,
0
50
100
150
,
3/
265Pi
3/110q
1/2.20E-04ct
1
3/31B
0.08rw
80h
0.2
3
k - S 1
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165
160
170
180
190
200
210
220
230
240
250
260
355 360 365 370 375 380 385,
,
-20
0
20
40
60
80
100
120
140
160
,
3/
150 3/ 360 24 . :
, . A=640 0002; CA=10.837
:
4
265Pi
7k
360tp 2640 000A
10.837CA
3/150q
1/5.0E-05ct
1
3/31B
0.08rw
40h
0.2
4
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166
1. ?
2.
?
3. , ,
4. , , ?
5. ?
6. ?
7
7. ? ?
8. ? ?
9. , ? ?
10. ??
11. P*MBH?
7
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167
8.1
8.2
8.3
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8.1
( Matthews Russell)
8.1
, () . ,
.
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169
8.1
, km, m, cm
, kf, f, cf
PqB
hkP
f
D =41.18
mmff
ff
cc
c
+
=
( ) 200036.0
wmmff
f
Drcc
tkt
+
=
2 :
- (storativity
ratio, ): 0.01 - 0.1, 0.1 0.2
(transmissivity ratio, ): 10-3 10-7
2
w
f
m rk
k=
8.1
, .
. - (storativity ratio, ), . , - . 0.01 - 0.1, 0.1 0.2.
(transmissivity ratio, ), . 10-3 10-7. . .
.
5/23/2018 0197804 58D4B Mangazeev p v Pankov m v Kulagina t e Kamartdinov m r Gidrod
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170
8.1
m
2
m
2
f
2w
f
m
8.1
Warren Root , . , .
(xm
)
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8.1
8.1
. , - . , . ,
, , . . , , .
, - . ,
.
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8.1
+=
111
min
12
1
D
DD
t
pt
94903.0
log01765.0
log min
+
= D
DD
t
pt
min =Dt
8.1
.
- , , .
, .
w
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173
8.1
1lnmin =Dt
-
tDmin
mP
=10
+
++
= = 09232.31
log
1
log1513.12
01
p
p
wt
thr
t
t
rc
k
m
PPS
2
00036.0
wt
f
Drc
tk
t
=
m
qBkh
195.21=
8.1
. . , . -
. , , .
, , . .
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8.1
8.1
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175
8.1
, ,. 95 3/(600 bbl/d) 300 .
600 . , -
(-):
1.2
20 (65.6 ft)
1.5
0.15
1.1*10-4 -1 (7.5*10-6psi-1)
.
8.1
228.43357.4610.51547
226.13323.7460.39288
223.73288.5790.29947
221.23251.7040.22827
218.63212.6960.17398
215.73171.0910.1326
212.73126.4490.10107
209.43078.4870.07706
205.93027.1680.05872
202.32973.2950.04477
198.52917.7920.03412
194.72862.2730.026
191.12808.6090.01984
187.62757.8230.01511
184.52711.4870.01151
181.72670.7460.00879
179.22634.8550.00668
177.22604.7220.0051
175.52579.3960.00388
174.12558.9540.00296
172.92542.320.00226
172.02528.650.00171
171.32518.3630.00131
170.82510.1910.00101
168.92482.4830
, , psi,
261.33840.826457.32922
260.43827.165348.58411
259.33811.423265.69678
258.13793.763202.51859
256.83774.634154.36313
255.43754.764117.6582
254.13735.04289.68106
252.83716.32768.35641
251.73699.27252.10242
250.63684.22139.71332
249.73671.13730.27017
249.03659.57723.07242
248.23648.75117.58618
247.53637.69613.40448
246.63625.49210.21713
245.73611.437.78766
244.63595.0925.93588
243.33576.3254.52444
241.83555.1853.44861
240.33531.8452.62857
238.53506.542.00354
236.73479.5081.52713
234.83450.9561.164
232.73421.0460.88724
230.63389.8730.67627
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8.2
k
k
8.2
2- , , . . .
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177
8.2
,
k1, h1
k2, h2
PqB
hkhkPD
+=
41.18
2211
2211
11
hkhk
hk
+=
( )C
thkhk
C
t
D
D +=
221100226.0
3 :
kh kh
( )( ) ( )21
22
khkh
khrw+
=
( )( ) ( )
21
1
hchc
hc
tt
t
+=
8.2
k1h1, k2h2. 3 : , kh kh.
.
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8.2
8.2
kh. , , , . kh.
.
1, 0, . , ().
3 . . = 0.5 .
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179
8.3
8.3
.
. 2- , 20 . . - ( 100 1000) ., 2- .
.
21
2211
hh
hkhkk
+
+=
5/23/2018 0197804 58D4B Mangazeev p v Pankov m v Kulagina t e Kamartdinov m r Gidrod
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181
9.1 9.2 9.3
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9.1
xf
h
w
kf
9.1
. 1000 , : (h), xf, (w).
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9.1
, ,
2
2
2
f
wD
f
Dxfx
rt
xc
tkt =
=
(
)
(300, )
9.1
. , ( 300). , ( 300).
5/23/2018 0197804 58D4B Mangazeev p v Pankov m v Kulagina t e Kamartdinov m r Gidrod
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9.1
: -
( ).
300f
f
fDfDCDx
w
k
kwkF ==
4138.1Dxf
CD
D tF
P =
41
4
138.1
ln Dxf
fDfDDxf
D twktd
dp=
9.1
, . .
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9.1
:
pD
p log-log (quarter slope)
t
Dxf
fDfD
D twk
P 4138.1
=
9.1
. , 4. .
. , 2. .
( ) , - .
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9.1
9.1
( ) ( ) .
. , . , . .
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9.1
pwf
mbl
1
4 t
pi
44
215.6tc
k
Fkhx
qBpp
tCDf
iwf
=
4215.6
tCDf
blc
k
Fkhx
qBm
=
4215.6
tCDbl
fc
k
Fkhm
qBx
=
9.1
()
, .
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9.1
:
:
pD
p log-log
21
DxfD tP = log21log
21log += DxfD tp
9.1
, . , 2. .
( ) , .
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9.1
()
pwf
ml
1
t
pi tckhx
qB
pptf
iwf
619.0=
tf
lckhx
qBm
619.0=
tl
fckhm
qBx
619.0=
20-30%
9.1
()
, . , 20-30%.
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9.1
3.14FCD > 3 :
.:
:
:
214.3
1.0
CD
DxF
tf=
214.3
100
CD
DxF
tf=
016.0=fDxt
6.05.0exp5
= CDDx Ft f
9.1
, .
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9.1
. 95 3/ (600 bbl/d) 300 . 600
.
:
1.2
20 (65.6 ft)
1.5
0.17
1.1* 10-4 atm-1 (7.5* 10-6 psi-1) , FCD = 3
.
9.1
230.13382.00.51547
229.53373.30.39288
228.93365.00.29947
228.43357.10.22827
227.93349.40.17398
227.33342.00.1326
226.93334.90.10107
226.43328.10.07706
225.93321.40.05872
225.53315.00.04477
225.13308.80.03412
224.73302.90.026
224.33297.40.01984
224.03292.30.01511
223.73287.70.01151
223.43283.80.00879
223.23280.40.00668
223.03277.50.0051
222.83275.10.00388
222.73273.10.00296
222.63271.60.00226
222.53270.20.00171
222.43269.30.00131
222.33268.50.00101
222.23265.80
, , psi,
261.33841.4457.32922
260.43828.0348.58411
259.43812.6265.69678
258.23795.2202.51859
256.93776.0154.36313
255.43755.0117.6582
253.93732.889.68106
252.33709.468.35641
250.73685.552.10242
249.13661.139.71332
247.43636.630.27017
245.73612.523.07242
244.13588.717.58618
242.63565.813.40448
241.13543.810.21713
239.73523.07.78766
238.33503.55.93588
237.13485.34.52444
236.03468.53.44861
234.93453.02.62857
233.93438.62.00354
233.03425.31.52713
232.23413.01.164
231.43401.80.88724
230.73391.50.67627
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9.2
Early time radial flow
Hemiradial f low
Late t ime radial
Linear flow
9.2
,
, . , , , . , . ,
, , , .
:
0.5. khh L(kvkh)0.5
v
h
k
k
L
h5.0
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9.2
:
==
L
zh
Lc
tkt w
t
hDL 28.1
000355.02
:
25.1000355.0
2 ==
Lc
tkt
t
hDL
9.2
.
. ,
.
, 1.5 2.0.
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9.2
:
hvw
s
kkLBqm
=195.211 ( )
+
= = 09.3log15.1 2
1
1
w
hvti
crkk
mPPS
()
:
: , , ,
9.2
, , .
. ( ).
: : , , , -
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195
9.2
:
hk
Bq
m h
s
195.212=
Sk
k
L
h
SS v
h
g +='
+=
41
sin2
4
v
h
w
w
v
hwg k
k
h
z
r
hLnk
k
L
h
L
rLnS
Sg
- ()
,
9.2
, , , , . .
. .
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9.2
1.
2. kh
3. p t L
4. ,
, m1
5. -6.
h
v
k
k
9.2
, . -, .
.
, - .
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9.2
9.2
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198
9.3
9.3
- ( + )
- -
,
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9.3
9.3
: ( ), ( : 1
1, ( , )
- , ,
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9.3
9.3
:
0.5
, .
, .
w
w
o
o
k
k
5.0
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9.3
( )wiw SShV
r
=
11
hkBqmw
wws 195.211=
-
+
= 09232.3log1513.12
1
1
wtww
whri
rc
k
m
PPS
hkBqmo
oos 195.212 =
+
= 09232.3log1513.12
2
1
wto
ohri
rc
k
m
PPS
ww
w
o
o
w
w
o
o
r
r
k
kSk
kS 1' ln1
+=
9.3
. , , .
- . , , . -, , .
- - , .
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9.3
(Abbaszadeh Kamal, 1989)
9.3
(Abbaszadeh Kamal, 1989)
. 2 ( 24 )
, ,
, 4 , 300 ft
, , -
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10.1
10.2
10.3
10.4 10.5
10.6 :
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10
10
: , p, t ;
;
;
();
t p, , ,, , .
, , .
, ... , .
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